htiui/HtiServicePlugins/HtiSysInfoServicePlugin/inc/HtiPropertySubscriber.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 25 Aug 2010 15:45:01 +0300
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  For controlling S60 device lights.
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*                Subscribes to a property to monitor changes in it.
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*
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*/
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#ifndef HTIPROPERTYSUBSCRIBER_H
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#define HTIPROPERTYSUBSCRIBER_H
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// INCLUDES
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#include <e32base.h>
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#include <e32property.h>
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// FORWARD DECLARATIONS
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// CLASS DECLARATION
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/**
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* Subscribes to a property to monitor changes in it.
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*/
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class CHtiPropertySubscriber : public CActive
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    {
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    public:
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        CHtiPropertySubscriber( TCallBack aCallBack, RProperty& aProperty );
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        ~CHtiPropertySubscriber();
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    public: // New functions
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        void Subscribe();
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        void Unsubscribe();
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    private: // from CActive
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        void RunL();
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        void DoCancel();
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    private: // data
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        TCallBack   iCallBack;
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        RProperty&  iProperty;
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    };
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#endif // HTIPROPERTYSUBSCRIBER_H
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// End of file